<template>
  <section>
    <!--工具条:高级查询+新增-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true">
        <el-form-item>
          <el-input v-model="keyword" placeholder="请输入关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="keywordQuery">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表：列表数据+编辑+删除-->
    <!--:data="employees"  列表数据  数组
    highlight-current-row  当前行高亮
    v-loading="listLoading"  加载框/忙等框
     @selection-change="selsChange" 用来做批量删除，选项改变时触发
     style="width: 100%;" 宽度
     sortable  可以排序
     -->
    <el-table :data="employees" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="username" label="员工姓名" width="150">
      </el-table-column>
      <el-table-column prop="age" label="年龄" width="80">
      </el-table-column>
      <el-table-column prop="phone" label="电话" width="150">
      </el-table-column>
      <el-table-column prop="email" label="电子邮件" width="200">
      </el-table-column>
      <el-table-column prop="state" label="状态" width="100" >
        <template scope="scope">
          <span v-if="scope.row.state==1" style="color: green">启用</span>
          <span v-else style="color: red">禁用</span>
        </template>
      </el-table-column>
      <el-table-column prop="department.name" label="所属部门" width="100">
      </el-table-column>
      <el-table-column label="员工类型" width="100">
        <template scope="scope">
          <span v-if="scope.row.shop" style="color: gray">店铺管理员</span>
          <span v-else style="color: magenta">平台管理员</span>
        </template>
      </el-table-column>
      <el-table-column label="操作">
        <template scope="scope">
          <el-button size="small" @click="handleSave(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--工具条：批量删除+分页栏
    layout="prev, pager, next"  布局（上一页，当前页，下一页）
     @current-change="handleCurrentChange" 当前页改变时触发
    -->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next" @current-change="handleCurrentChange" :page-size="pageSize" :current-page="currentPage"  :total="totals" style="float:right;">
      </el-pagination>
    </el-col>

    <!--新增和编辑的对话框-->
    <el-dialog :title="title" :visible.sync="saveFormVisible" :close-on-click-modal="false">
      <el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">
        <el-form-item label="员工姓名" prop="username">
          <el-input v-model="saveForm.username" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="年龄" prop="age">
          <el-input v-model="saveForm.age" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="phone">
          <el-input v-model="saveForm.phone" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="电子邮箱" prop="email">
          <el-input v-model="saveForm.email" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="saveForm.password" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="状态">
          <el-radio-group v-model="saveForm.state">
            <el-radio class="radio" :label="1">启用</el-radio>
            <el-radio class="radio" :label="0">禁用</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="员工部门">
          <el-select v-model="saveForm.department_id" placeholder="请选择">
            <el-option v-for="item in dept"
                :label="item.name"
                :value="item.id">
              <span style="float: left">{{ item.name }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.sn }}</span>
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="角色">
          <el-select v-model="saveForm.role_id" placeholder="请选择">
            <el-option v-for="item in roles"
                :label="item.name"
                :value="item.id">
              <span style="float: left">{{ item.name }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.sn }}</span>
            </el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="saveFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="saveSubmit" :loading="saveLoading">提交</el-button>
      </div>
    </el-dialog>
  </section>
</template>
<script>
export default {
  data() {
    return {
      // 1.分页查询的模型数据
      employees: [],  // 列表数据，回调函数中给他赋值
      listLoading: false,  // 加载框
      pageSize: 5, // 每页显示条数
      currentPage: 1, // 起始页
      totals: 0, // 总条数
      keyword: '',
      sels: [],//列表选中列


      saveFormVisible: false,//编辑界面是否显示
      title:'',
      saveLoading: false,
      saveFormRules: {
        username: [
          { required: true, message: '请输入员工姓名', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' }
        ],
        phone: [
          { required: true, message: '请输入电话', trigger: 'blur' }
        ]
      },
      //编辑界面数据
      saveForm: {
        id: null,
        username: '',
        age: null,
        phone: '',
        password: '',
        email: '',
        state: 1,
        department_id: null,
        role_id: null
      },
      dept:[], // 保存部门
      roles:[]
    }
  },
  methods: {
    // 1.获取部门列表
    getEmployees() {
      // 组装参数
      let paras = {
        currentPage: this.currentPage,
        pageSize: this.pageSize,
        keyword: this.keyword
      };
      // 显示加载框
      this.listLoading = true;
      // 使用axios发送分页请求，
      this.$http.post("/employee",paras).then(res=>{
        this.employees = res.data.data;
        this.totals = res.data.totals;
        this.listLoading = false;
      }).catch(res=>{
        this.$message.error("宝贝，系统繁忙了哦，请稍后重试！！！")
      });
    },
    // 2.点击分页栏触发方法
    handleCurrentChange(val) {
      this.currentPage = val;
      this.getEmployees();
    },

    // 3.高级查询
    keywordQuery() {
      // 将当前页设置为1，防止查询只查当前页
      this.currentPage = 1;
      this.getEmployees();
    },

    // 4.删除操作
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '提示', {
        type: 'warning'
      }).then(() => {
        // 开始加载框
        this.listLoading = true;
        //NProgress.start();
        this.$http.delete("/employee/"+row.id).then(res=>{
          // 成功之后的处理
          if (res.data.success) {
            // 计算总页数 = 最后一页
            let totalPage = Math.ceil(this.totals/this.pageSize);
            // 如果当前页是最后一页（总页数），而且是最后一条数据，并且不是第一页，让当前页=当前页-1
            if (this.currentPage == totalPage && (this.totals-1)%this.pageSize==0 && this.currentPage!=1) {
              this.currentPage = this.currentPage - 1;
            }
            this.getEmployees()
          }else {this.$message.error("系统繁忙，请稍后重试【500】");}
          this.listLoading = false;
        }).catch(res=>{
          this.$message.error("系统繁忙，请稍后重试【400,404】");
        })

      }).catch(res=>{
      })
    },

    // 选项改变的时候触发
    selsChange: function (sels) {
      this.sels = sels;
    },

    // 6.批量删除
    batchRemove: function () {
      var ids = this.sels.map(item => item.id);
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        this.$http.patch("/employee",ids).then(res=>{
          if (res.data.success) {
            this.currentPage = 1;
            this.getEmployees();
          }else {
            this.$message.error("系统繁忙，请稍后重试【500】");
          }
          this.listLoading = false;
        }).catch(res=>{
          this.$message.error("系统繁忙，请稍后重试【400】【404】");
        })
      }).catch(() => {

      });

    },

    //显示编辑界面
    handleSave: function (index, row) {
      this.title = "编辑";
      this.getDept();
      this.getRoles();
      this.saveForm = Object.assign({}, row);
      this.saveFormVisible = true;

    },
    //点击新增按钮弹出对话框
    handleAdd: function () {
      this.title = "新增";
      this.getDept();
      this.getRoles();
      this.saveForm = {
        id: null,
        username: '',
        age: null,
        phone: '',
        password: '',
        email: '',
        state: 1,
        department_id: null,
      };
      //弹出对话框
      this.saveFormVisible = true;
    },

    // 点击添加和修改的对话框的提交按钮提交数据
    saveSubmit: function () {
      // 表单验证：只有一个表单项验证不通过就返回false，全部通过就返回true
      this.$refs.saveForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            this.saveLoading = true;
            this.$http.put("/employee",this.saveForm).then(res=>{
              if (res.data.success) {
                this.getEmployees();
              }else {
                this.$message.error("系统繁忙，请稍后重试【500】");
              }
              this.saveLoading = false;
            }).catch(res=>{
              this.$message.error("系统繁忙，请稍后重试【400】【404】");
            })
            // 关闭对话框
            this.saveFormVisible = false;
          });
        }
      });
    },

    getDept() {
      this.$http.get("/department").then(res=>{
        this.dept = res.data;
      })
    },
    getRoles() {
      this.$http.get("/role").then(res=>{
        this.roles = res.data;
      })
    }

  },
  mounted() {
    this.getEmployees();
  }

}
</script>

<style scoped>

</style>